1 /* 2 * X-Box gamepad driver 3 * 4 * Copyright (c) 2002 Marko Friedemann <mfr@bmx-chemnitz.de> 5 * 2004 Oliver Schwartz <Oliver.Schwartz@gmx.de>, 6 * Steven Toth <steve@toth.demon.co.uk>, 7 * Franz Lehner <franz@caos.at>, 8 * Ivan Hawkes <blackhawk@ivanhawkes.com> 9 * 2005 Dominic Cerquetti <binary1230@yahoo.com> 10 * 2006 Adam Buchbinder <adam.buchbinder@gmail.com> 11 * 2007 Jan Kratochvil <honza@jikos.cz> 12 * 13 * This program is free software; you can redistribute it and/or 14 * modify it under the terms of the GNU General Public License as 15 * published by the Free Software Foundation; either version 2 of 16 * the License, or (at your option) any later version. 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 * 23 * You should have received a copy of the GNU General Public License 24 * along with this program; if not, write to the Free Software 25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 26 * 27 * 28 * This driver is based on: 29 * - information from http://euc.jp/periphs/xbox-controller.ja.html 30 * - the iForce driver drivers/char/joystick/iforce.c 31 * - the skeleton-driver drivers/usb/usb-skeleton.c 32 * - Xbox 360 information http://www.free60.org/wiki/Gamepad 33 * 34 * Thanks to: 35 * - ITO Takayuki for providing essential xpad information on his website 36 * - Vojtech Pavlik - iforce driver / input subsystem 37 * - Greg Kroah-Hartman - usb-skeleton driver 38 * - XBOX Linux project - extra USB id's 39 * 40 * TODO: 41 * - fine tune axes (especially trigger axes) 42 * - fix "analog" buttons (reported as digital now) 43 * - get rumble working 44 * - need USB IDs for other dance pads 45 * 46 * History: 47 * 48 * 2002-06-27 - 0.0.1 : first version, just said "XBOX HID controller" 49 * 50 * 2002-07-02 - 0.0.2 : basic working version 51 * - all axes and 9 of the 10 buttons work (german InterAct device) 52 * - the black button does not work 53 * 54 * 2002-07-14 - 0.0.3 : rework by Vojtech Pavlik 55 * - indentation fixes 56 * - usb + input init sequence fixes 57 * 58 * 2002-07-16 - 0.0.4 : minor changes, merge with Vojtech's v0.0.3 59 * - verified the lack of HID and report descriptors 60 * - verified that ALL buttons WORK 61 * - fixed d-pad to axes mapping 62 * 63 * 2002-07-17 - 0.0.5 : simplified d-pad handling 64 * 65 * 2004-10-02 - 0.0.6 : DDR pad support 66 * - borrowed from the XBOX linux kernel 67 * - USB id's for commonly used dance pads are present 68 * - dance pads will map D-PAD to buttons, not axes 69 * - pass the module paramater 'dpad_to_buttons' to force 70 * the D-PAD to map to buttons if your pad is not detected 71 * 72 * Later changes can be tracked in SCM. 73 */ 74 75 #include <linux/kernel.h> 76 #include <linux/init.h> 77 #include <linux/slab.h> 78 #include <linux/stat.h> 79 #include <linux/module.h> 80 #include <linux/usb/input.h> 81 82 #define DRIVER_AUTHOR "Marko Friedemann <mfr@bmx-chemnitz.de>" 83 #define DRIVER_DESC "X-Box pad driver" 84 85 #define XPAD_PKT_LEN 32 86 87 /* xbox d-pads should map to buttons, as is required for DDR pads 88 but we map them to axes when possible to simplify things */ 89 #define MAP_DPAD_TO_BUTTONS 0 90 #define MAP_DPAD_TO_AXES 1 91 #define MAP_DPAD_UNKNOWN 2 92 93 #define XTYPE_XBOX 0 94 #define XTYPE_XBOX360 1 95 #define XTYPE_XBOX360W 2 96 #define XTYPE_UNKNOWN 3 97 98 static int dpad_to_buttons; 99 module_param(dpad_to_buttons, bool, S_IRUGO); 100 MODULE_PARM_DESC(dpad_to_buttons, "Map D-PAD to buttons rather than axes for unknown pads"); 101 102 static const struct xpad_device { 103 u16 idVendor; 104 u16 idProduct; 105 char *name; 106 u8 dpad_mapping; 107 u8 xtype; 108 } xpad_device[] = { 109 { 0x045e, 0x0202, "Microsoft X-Box pad v1 (US)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 110 { 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 111 { 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 112 { 0x045e, 0x0287, "Microsoft Xbox Controller S", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 113 { 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W }, 114 { 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 115 { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 116 { 0x046d, 0xc242, "Logitech Chillstream Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 117 { 0x046d, 0xca84, "Logitech Xbox Cordless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 118 { 0x046d, 0xca88, "Logitech Compact Controller for Xbox", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 119 { 0x05fd, 0x1007, "Mad Catz Controller (unverified)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 120 { 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 121 { 0x0738, 0x4516, "Mad Catz Control Pad", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 122 { 0x0738, 0x4522, "Mad Catz LumiCON", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 123 { 0x0738, 0x4526, "Mad Catz Control Pad Pro", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 124 { 0x0738, 0x4536, "Mad Catz MicroCON", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 125 { 0x0738, 0x4540, "Mad Catz Beat Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 126 { 0x0738, 0x4556, "Mad Catz Lynx Wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 127 { 0x0738, 0x4716, "Mad Catz Wired Xbox 360 Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 128 { 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 129 { 0x0c12, 0x8802, "Zeroplus Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 130 { 0x0c12, 0x8810, "Zeroplus Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 131 { 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 132 { 0x0e4c, 0x1097, "Radica Gamester Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 133 { 0x0e4c, 0x2390, "Radica Games Jtech Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 134 { 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 135 { 0x0e6f, 0x0005, "Eclipse wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 136 { 0x0e6f, 0x0006, "Edge wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 137 { 0x0e6f, 0x0006, "Pelican 'TSZ' Wired Xbox 360 Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 138 { 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 139 { 0x0f30, 0x0202, "Joytech Advanced Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 140 { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 141 { 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 142 { 0x12ab, 0x8809, "Xbox DDR dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 143 { 0x1430, 0x4748, "RedOctane Guitar Hero X-plorer", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 144 { 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 145 { 0x045e, 0x028e, "Microsoft X-Box 360 pad", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 146 { 0xffff, 0xffff, "Chinese-made Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 147 { 0x0000, 0x0000, "Generic X-Box pad", MAP_DPAD_UNKNOWN, XTYPE_UNKNOWN } 148 }; 149 150 /* buttons shared with xbox and xbox360 */ 151 static const signed short xpad_common_btn[] = { 152 BTN_A, BTN_B, BTN_X, BTN_Y, /* "analog" buttons */ 153 BTN_START, BTN_BACK, BTN_THUMBL, BTN_THUMBR, /* start/back/sticks */ 154 -1 /* terminating entry */ 155 }; 156 157 /* original xbox controllers only */ 158 static const signed short xpad_btn[] = { 159 BTN_C, BTN_Z, /* "analog" buttons */ 160 -1 /* terminating entry */ 161 }; 162 163 /* only used if MAP_DPAD_TO_BUTTONS */ 164 static const signed short xpad_btn_pad[] = { 165 BTN_LEFT, BTN_RIGHT, /* d-pad left, right */ 166 BTN_0, BTN_1, /* d-pad up, down (XXX names??) */ 167 -1 /* terminating entry */ 168 }; 169 170 static const signed short xpad360_btn[] = { /* buttons for x360 controller */ 171 BTN_TL, BTN_TR, /* Button LB/RB */ 172 BTN_MODE, /* The big X button */ 173 -1 174 }; 175 176 static const signed short xpad_abs[] = { 177 ABS_X, ABS_Y, /* left stick */ 178 ABS_RX, ABS_RY, /* right stick */ 179 ABS_Z, ABS_RZ, /* triggers left/right */ 180 -1 /* terminating entry */ 181 }; 182 183 /* only used if MAP_DPAD_TO_AXES */ 184 static const signed short xpad_abs_pad[] = { 185 ABS_HAT0X, ABS_HAT0Y, /* d-pad axes */ 186 -1 /* terminating entry */ 187 }; 188 189 /* Xbox 360 has a vendor-specific class, so we cannot match it with only 190 * USB_INTERFACE_INFO (also specifically refused by USB subsystem), so we 191 * match against vendor id as well. Wired Xbox 360 devices have protocol 1, 192 * wireless controllers have protocol 129. */ 193 #define XPAD_XBOX360_VENDOR_PROTOCOL(vend,pr) \ 194 .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \ 195 .idVendor = (vend), \ 196 .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \ 197 .bInterfaceSubClass = 93, \ 198 .bInterfaceProtocol = (pr) 199 #define XPAD_XBOX360_VENDOR(vend) \ 200 { XPAD_XBOX360_VENDOR_PROTOCOL(vend,1) }, \ 201 { XPAD_XBOX360_VENDOR_PROTOCOL(vend,129) } 202 203 static struct usb_device_id xpad_table [] = { 204 { USB_INTERFACE_INFO('X', 'B', 0) }, /* X-Box USB-IF not approved class */ 205 XPAD_XBOX360_VENDOR(0x045e), /* Microsoft X-Box 360 controllers */ 206 XPAD_XBOX360_VENDOR(0x046d), /* Logitech X-Box 360 style controllers */ 207 XPAD_XBOX360_VENDOR(0x0738), /* Mad Catz X-Box 360 controllers */ 208 XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f X-Box 360 controllers */ 209 XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ 210 { } 211 }; 212 213 MODULE_DEVICE_TABLE (usb, xpad_table); 214 215 struct usb_xpad { 216 struct input_dev *dev; /* input device interface */ 217 struct usb_device *udev; /* usb device */ 218 219 int pad_present; 220 221 struct urb *irq_in; /* urb for interrupt in report */ 222 unsigned char *idata; /* input data */ 223 dma_addr_t idata_dma; 224 225 struct urb *bulk_out; 226 unsigned char *bdata; 227 228 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) 229 struct urb *irq_out; /* urb for interrupt out report */ 230 unsigned char *odata; /* output data */ 231 dma_addr_t odata_dma; 232 struct mutex odata_mutex; 233 #endif 234 235 #if defined(CONFIG_JOYSTICK_XPAD_LEDS) 236 struct xpad_led *led; 237 #endif 238 239 char phys[64]; /* physical device path */ 240 241 int dpad_mapping; /* map d-pad to buttons or to axes */ 242 int xtype; /* type of xbox device */ 243 }; 244 245 /* 246 * xpad_process_packet 247 * 248 * Completes a request by converting the data into events for the 249 * input subsystem. 250 * 251 * The used report descriptor was taken from ITO Takayukis website: 252 * http://euc.jp/periphs/xbox-controller.ja.html 253 */ 254 255 static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) 256 { 257 struct input_dev *dev = xpad->dev; 258 259 /* left stick */ 260 input_report_abs(dev, ABS_X, 261 (__s16) le16_to_cpup((__le16 *)(data + 12))); 262 input_report_abs(dev, ABS_Y, 263 ~(__s16) le16_to_cpup((__le16 *)(data + 14))); 264 265 /* right stick */ 266 input_report_abs(dev, ABS_RX, 267 (__s16) le16_to_cpup((__le16 *)(data + 16))); 268 input_report_abs(dev, ABS_RY, 269 ~(__s16) le16_to_cpup((__le16 *)(data + 18))); 270 271 /* triggers left/right */ 272 input_report_abs(dev, ABS_Z, data[10]); 273 input_report_abs(dev, ABS_RZ, data[11]); 274 275 /* digital pad */ 276 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) { 277 input_report_abs(dev, ABS_HAT0X, 278 !!(data[2] & 0x08) - !!(data[2] & 0x04)); 279 input_report_abs(dev, ABS_HAT0Y, 280 !!(data[2] & 0x02) - !!(data[2] & 0x01)); 281 } else /* xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS */ { 282 input_report_key(dev, BTN_LEFT, data[2] & 0x04); 283 input_report_key(dev, BTN_RIGHT, data[2] & 0x08); 284 input_report_key(dev, BTN_0, data[2] & 0x01); /* up */ 285 input_report_key(dev, BTN_1, data[2] & 0x02); /* down */ 286 } 287 288 /* start/back buttons and stick press left/right */ 289 input_report_key(dev, BTN_START, data[2] & 0x10); 290 input_report_key(dev, BTN_BACK, data[2] & 0x20); 291 input_report_key(dev, BTN_THUMBL, data[2] & 0x40); 292 input_report_key(dev, BTN_THUMBR, data[2] & 0x80); 293 294 /* "analog" buttons A, B, X, Y */ 295 input_report_key(dev, BTN_A, data[4]); 296 input_report_key(dev, BTN_B, data[5]); 297 input_report_key(dev, BTN_X, data[6]); 298 input_report_key(dev, BTN_Y, data[7]); 299 300 /* "analog" buttons black, white */ 301 input_report_key(dev, BTN_C, data[8]); 302 input_report_key(dev, BTN_Z, data[9]); 303 304 input_sync(dev); 305 } 306 307 /* 308 * xpad360_process_packet 309 * 310 * Completes a request by converting the data into events for the 311 * input subsystem. It is version for xbox 360 controller 312 * 313 * The used report descriptor was taken from: 314 * http://www.free60.org/wiki/Gamepad 315 */ 316 317 static void xpad360_process_packet(struct usb_xpad *xpad, 318 u16 cmd, unsigned char *data) 319 { 320 struct input_dev *dev = xpad->dev; 321 322 /* digital pad */ 323 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) { 324 input_report_abs(dev, ABS_HAT0X, 325 !!(data[2] & 0x08) - !!(data[2] & 0x04)); 326 input_report_abs(dev, ABS_HAT0Y, 327 !!(data[2] & 0x02) - !!(data[2] & 0x01)); 328 } else if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) { 329 /* dpad as buttons (right, left, down, up) */ 330 input_report_key(dev, BTN_LEFT, data[2] & 0x04); 331 input_report_key(dev, BTN_RIGHT, data[2] & 0x08); 332 input_report_key(dev, BTN_0, data[2] & 0x01); /* up */ 333 input_report_key(dev, BTN_1, data[2] & 0x02); /* down */ 334 } 335 336 /* start/back buttons */ 337 input_report_key(dev, BTN_START, data[2] & 0x10); 338 input_report_key(dev, BTN_BACK, data[2] & 0x20); 339 340 /* stick press left/right */ 341 input_report_key(dev, BTN_THUMBL, data[2] & 0x40); 342 input_report_key(dev, BTN_THUMBR, data[2] & 0x80); 343 344 /* buttons A,B,X,Y,TL,TR and MODE */ 345 input_report_key(dev, BTN_A, data[3] & 0x10); 346 input_report_key(dev, BTN_B, data[3] & 0x20); 347 input_report_key(dev, BTN_X, data[3] & 0x40); 348 input_report_key(dev, BTN_Y, data[3] & 0x80); 349 input_report_key(dev, BTN_TL, data[3] & 0x01); 350 input_report_key(dev, BTN_TR, data[3] & 0x02); 351 input_report_key(dev, BTN_MODE, data[3] & 0x04); 352 353 /* left stick */ 354 input_report_abs(dev, ABS_X, 355 (__s16) le16_to_cpup((__le16 *)(data + 6))); 356 input_report_abs(dev, ABS_Y, 357 ~(__s16) le16_to_cpup((__le16 *)(data + 8))); 358 359 /* right stick */ 360 input_report_abs(dev, ABS_RX, 361 (__s16) le16_to_cpup((__le16 *)(data + 10))); 362 input_report_abs(dev, ABS_RY, 363 ~(__s16) le16_to_cpup((__le16 *)(data + 12))); 364 365 /* triggers left/right */ 366 input_report_abs(dev, ABS_Z, data[4]); 367 input_report_abs(dev, ABS_RZ, data[5]); 368 369 input_sync(dev); 370 } 371 372 /* 373 * xpad360w_process_packet 374 * 375 * Completes a request by converting the data into events for the 376 * input subsystem. It is version for xbox 360 wireless controller. 377 * 378 * Byte.Bit 379 * 00.1 - Status change: The controller or headset has connected/disconnected 380 * Bits 01.7 and 01.6 are valid 381 * 01.7 - Controller present 382 * 01.6 - Headset present 383 * 01.1 - Pad state (Bytes 4+) valid 384 * 385 */ 386 387 static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) 388 { 389 /* Presence change */ 390 if (data[0] & 0x08) { 391 if (data[1] & 0x80) { 392 xpad->pad_present = 1; 393 usb_submit_urb(xpad->bulk_out, GFP_ATOMIC); 394 } else 395 xpad->pad_present = 0; 396 } 397 398 /* Valid pad data */ 399 if (!(data[1] & 0x1)) 400 return; 401 402 xpad360_process_packet(xpad, cmd, &data[4]); 403 } 404 405 static void xpad_irq_in(struct urb *urb) 406 { 407 struct usb_xpad *xpad = urb->context; 408 int retval, status; 409 410 status = urb->status; 411 412 switch (status) { 413 case 0: 414 /* success */ 415 break; 416 case -ECONNRESET: 417 case -ENOENT: 418 case -ESHUTDOWN: 419 /* this urb is terminated, clean up */ 420 dbg("%s - urb shutting down with status: %d", 421 __func__, status); 422 return; 423 default: 424 dbg("%s - nonzero urb status received: %d", 425 __func__, status); 426 goto exit; 427 } 428 429 switch (xpad->xtype) { 430 case XTYPE_XBOX360: 431 xpad360_process_packet(xpad, 0, xpad->idata); 432 break; 433 case XTYPE_XBOX360W: 434 xpad360w_process_packet(xpad, 0, xpad->idata); 435 break; 436 default: 437 xpad_process_packet(xpad, 0, xpad->idata); 438 } 439 440 exit: 441 retval = usb_submit_urb (urb, GFP_ATOMIC); 442 if (retval) 443 err ("%s - usb_submit_urb failed with result %d", 444 __func__, retval); 445 } 446 447 static void xpad_bulk_out(struct urb *urb) 448 { 449 switch (urb->status) { 450 case 0: 451 /* success */ 452 break; 453 case -ECONNRESET: 454 case -ENOENT: 455 case -ESHUTDOWN: 456 /* this urb is terminated, clean up */ 457 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status); 458 break; 459 default: 460 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status); 461 } 462 } 463 464 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) 465 static void xpad_irq_out(struct urb *urb) 466 { 467 int retval, status; 468 469 status = urb->status; 470 471 switch (status) { 472 case 0: 473 /* success */ 474 break; 475 case -ECONNRESET: 476 case -ENOENT: 477 case -ESHUTDOWN: 478 /* this urb is terminated, clean up */ 479 dbg("%s - urb shutting down with status: %d", 480 __func__, status); 481 return; 482 default: 483 dbg("%s - nonzero urb status received: %d", 484 __func__, status); 485 goto exit; 486 } 487 488 exit: 489 retval = usb_submit_urb(urb, GFP_ATOMIC); 490 if (retval) 491 err("%s - usb_submit_urb failed with result %d", 492 __func__, retval); 493 } 494 495 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) 496 { 497 struct usb_endpoint_descriptor *ep_irq_out; 498 int error = -ENOMEM; 499 500 if (xpad->xtype != XTYPE_XBOX360) 501 return 0; 502 503 xpad->odata = usb_buffer_alloc(xpad->udev, XPAD_PKT_LEN, 504 GFP_KERNEL, &xpad->odata_dma); 505 if (!xpad->odata) 506 goto fail1; 507 508 mutex_init(&xpad->odata_mutex); 509 510 xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL); 511 if (!xpad->irq_out) 512 goto fail2; 513 514 ep_irq_out = &intf->cur_altsetting->endpoint[1].desc; 515 usb_fill_int_urb(xpad->irq_out, xpad->udev, 516 usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress), 517 xpad->odata, XPAD_PKT_LEN, 518 xpad_irq_out, xpad, ep_irq_out->bInterval); 519 xpad->irq_out->transfer_dma = xpad->odata_dma; 520 xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 521 522 return 0; 523 524 fail2: usb_buffer_free(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma); 525 fail1: return error; 526 } 527 528 static void xpad_stop_output(struct usb_xpad *xpad) 529 { 530 if (xpad->xtype == XTYPE_XBOX360) 531 usb_kill_urb(xpad->irq_out); 532 } 533 534 static void xpad_deinit_output(struct usb_xpad *xpad) 535 { 536 if (xpad->xtype == XTYPE_XBOX360) { 537 usb_free_urb(xpad->irq_out); 538 usb_buffer_free(xpad->udev, XPAD_PKT_LEN, 539 xpad->odata, xpad->odata_dma); 540 } 541 } 542 #else 543 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { return 0; } 544 static void xpad_deinit_output(struct usb_xpad *xpad) {} 545 static void xpad_stop_output(struct usb_xpad *xpad) {} 546 #endif 547 548 #ifdef CONFIG_JOYSTICK_XPAD_FF 549 static int xpad_play_effect(struct input_dev *dev, void *data, 550 struct ff_effect *effect) 551 { 552 struct usb_xpad *xpad = input_get_drvdata(dev); 553 554 if (effect->type == FF_RUMBLE) { 555 __u16 strong = effect->u.rumble.strong_magnitude; 556 __u16 weak = effect->u.rumble.weak_magnitude; 557 xpad->odata[0] = 0x00; 558 xpad->odata[1] = 0x08; 559 xpad->odata[2] = 0x00; 560 xpad->odata[3] = strong / 256; 561 xpad->odata[4] = weak / 256; 562 xpad->odata[5] = 0x00; 563 xpad->odata[6] = 0x00; 564 xpad->odata[7] = 0x00; 565 xpad->irq_out->transfer_buffer_length = 8; 566 usb_submit_urb(xpad->irq_out, GFP_KERNEL); 567 } 568 569 return 0; 570 } 571 572 static int xpad_init_ff(struct usb_xpad *xpad) 573 { 574 if (xpad->xtype != XTYPE_XBOX360) 575 return 0; 576 577 input_set_capability(xpad->dev, EV_FF, FF_RUMBLE); 578 579 return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect); 580 } 581 582 #else 583 static int xpad_init_ff(struct usb_xpad *xpad) { return 0; } 584 #endif 585 586 #if defined(CONFIG_JOYSTICK_XPAD_LEDS) 587 #include <linux/leds.h> 588 589 struct xpad_led { 590 char name[16]; 591 struct led_classdev led_cdev; 592 struct usb_xpad *xpad; 593 }; 594 595 static void xpad_send_led_command(struct usb_xpad *xpad, int command) 596 { 597 if (command >= 0 && command < 14) { 598 mutex_lock(&xpad->odata_mutex); 599 xpad->odata[0] = 0x01; 600 xpad->odata[1] = 0x03; 601 xpad->odata[2] = command; 602 xpad->irq_out->transfer_buffer_length = 3; 603 usb_submit_urb(xpad->irq_out, GFP_KERNEL); 604 mutex_unlock(&xpad->odata_mutex); 605 } 606 } 607 608 static void xpad_led_set(struct led_classdev *led_cdev, 609 enum led_brightness value) 610 { 611 struct xpad_led *xpad_led = container_of(led_cdev, 612 struct xpad_led, led_cdev); 613 614 xpad_send_led_command(xpad_led->xpad, value); 615 } 616 617 static int xpad_led_probe(struct usb_xpad *xpad) 618 { 619 static atomic_t led_seq = ATOMIC_INIT(0); 620 long led_no; 621 struct xpad_led *led; 622 struct led_classdev *led_cdev; 623 int error; 624 625 if (xpad->xtype != XTYPE_XBOX360) 626 return 0; 627 628 xpad->led = led = kzalloc(sizeof(struct xpad_led), GFP_KERNEL); 629 if (!led) 630 return -ENOMEM; 631 632 led_no = (long)atomic_inc_return(&led_seq) - 1; 633 634 snprintf(led->name, sizeof(led->name), "xpad%ld", led_no); 635 led->xpad = xpad; 636 637 led_cdev = &led->led_cdev; 638 led_cdev->name = led->name; 639 led_cdev->brightness_set = xpad_led_set; 640 641 error = led_classdev_register(&xpad->udev->dev, led_cdev); 642 if (error) { 643 kfree(led); 644 xpad->led = NULL; 645 return error; 646 } 647 648 /* 649 * Light up the segment corresponding to controller number 650 */ 651 xpad_send_led_command(xpad, (led_no % 4) + 2); 652 653 return 0; 654 } 655 656 static void xpad_led_disconnect(struct usb_xpad *xpad) 657 { 658 struct xpad_led *xpad_led = xpad->led; 659 660 if (xpad_led) { 661 led_classdev_unregister(&xpad_led->led_cdev); 662 kfree(xpad_led->name); 663 } 664 } 665 #else 666 static int xpad_led_probe(struct usb_xpad *xpad) { return 0; } 667 static void xpad_led_disconnect(struct usb_xpad *xpad) { } 668 #endif 669 670 671 static int xpad_open(struct input_dev *dev) 672 { 673 struct usb_xpad *xpad = input_get_drvdata(dev); 674 675 /* URB was submitted in probe */ 676 if(xpad->xtype == XTYPE_XBOX360W) 677 return 0; 678 679 xpad->irq_in->dev = xpad->udev; 680 if (usb_submit_urb(xpad->irq_in, GFP_KERNEL)) 681 return -EIO; 682 683 return 0; 684 } 685 686 static void xpad_close(struct input_dev *dev) 687 { 688 struct usb_xpad *xpad = input_get_drvdata(dev); 689 690 if(xpad->xtype != XTYPE_XBOX360W) 691 usb_kill_urb(xpad->irq_in); 692 xpad_stop_output(xpad); 693 } 694 695 static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs) 696 { 697 set_bit(abs, input_dev->absbit); 698 699 switch (abs) { 700 case ABS_X: 701 case ABS_Y: 702 case ABS_RX: 703 case ABS_RY: /* the two sticks */ 704 input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128); 705 break; 706 case ABS_Z: 707 case ABS_RZ: /* the triggers */ 708 input_set_abs_params(input_dev, abs, 0, 255, 0, 0); 709 break; 710 case ABS_HAT0X: 711 case ABS_HAT0Y: /* the d-pad (only if MAP_DPAD_TO_AXES) */ 712 input_set_abs_params(input_dev, abs, -1, 1, 0, 0); 713 break; 714 } 715 } 716 717 static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id) 718 { 719 struct usb_device *udev = interface_to_usbdev(intf); 720 struct usb_xpad *xpad; 721 struct input_dev *input_dev; 722 struct usb_endpoint_descriptor *ep_irq_in; 723 int i; 724 int error = -ENOMEM; 725 726 for (i = 0; xpad_device[i].idVendor; i++) { 727 if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) && 728 (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct)) 729 break; 730 } 731 732 xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL); 733 input_dev = input_allocate_device(); 734 if (!xpad || !input_dev) 735 goto fail1; 736 737 xpad->idata = usb_buffer_alloc(udev, XPAD_PKT_LEN, 738 GFP_KERNEL, &xpad->idata_dma); 739 if (!xpad->idata) 740 goto fail1; 741 742 xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL); 743 if (!xpad->irq_in) 744 goto fail2; 745 746 xpad->udev = udev; 747 xpad->dpad_mapping = xpad_device[i].dpad_mapping; 748 xpad->xtype = xpad_device[i].xtype; 749 if (xpad->dpad_mapping == MAP_DPAD_UNKNOWN) 750 xpad->dpad_mapping = !dpad_to_buttons; 751 if (xpad->xtype == XTYPE_UNKNOWN) { 752 if (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC) { 753 if (intf->cur_altsetting->desc.bInterfaceProtocol == 129) 754 xpad->xtype = XTYPE_XBOX360W; 755 else 756 xpad->xtype = XTYPE_XBOX360; 757 } else 758 xpad->xtype = XTYPE_XBOX; 759 } 760 xpad->dev = input_dev; 761 usb_make_path(udev, xpad->phys, sizeof(xpad->phys)); 762 strlcat(xpad->phys, "/input0", sizeof(xpad->phys)); 763 764 input_dev->name = xpad_device[i].name; 765 input_dev->phys = xpad->phys; 766 usb_to_input_id(udev, &input_dev->id); 767 input_dev->dev.parent = &intf->dev; 768 769 input_set_drvdata(input_dev, xpad); 770 771 input_dev->open = xpad_open; 772 input_dev->close = xpad_close; 773 774 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); 775 776 /* set up buttons */ 777 for (i = 0; xpad_common_btn[i] >= 0; i++) 778 set_bit(xpad_common_btn[i], input_dev->keybit); 779 if ((xpad->xtype == XTYPE_XBOX360) || (xpad->xtype == XTYPE_XBOX360W)) 780 for (i = 0; xpad360_btn[i] >= 0; i++) 781 set_bit(xpad360_btn[i], input_dev->keybit); 782 else 783 for (i = 0; xpad_btn[i] >= 0; i++) 784 set_bit(xpad_btn[i], input_dev->keybit); 785 if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) 786 for (i = 0; xpad_btn_pad[i] >= 0; i++) 787 set_bit(xpad_btn_pad[i], input_dev->keybit); 788 789 /* set up axes */ 790 for (i = 0; xpad_abs[i] >= 0; i++) 791 xpad_set_up_abs(input_dev, xpad_abs[i]); 792 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) 793 for (i = 0; xpad_abs_pad[i] >= 0; i++) 794 xpad_set_up_abs(input_dev, xpad_abs_pad[i]); 795 796 error = xpad_init_output(intf, xpad); 797 if (error) 798 goto fail2; 799 800 error = xpad_init_ff(xpad); 801 if (error) 802 goto fail3; 803 804 error = xpad_led_probe(xpad); 805 if (error) 806 goto fail3; 807 808 ep_irq_in = &intf->cur_altsetting->endpoint[0].desc; 809 usb_fill_int_urb(xpad->irq_in, udev, 810 usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress), 811 xpad->idata, XPAD_PKT_LEN, xpad_irq_in, 812 xpad, ep_irq_in->bInterval); 813 xpad->irq_in->transfer_dma = xpad->idata_dma; 814 xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 815 816 error = input_register_device(xpad->dev); 817 if (error) 818 goto fail4; 819 820 usb_set_intfdata(intf, xpad); 821 822 /* 823 * Submit the int URB immediatly rather than waiting for open 824 * because we get status messages from the device whether 825 * or not any controllers are attached. In fact, it's 826 * exactly the message that a controller has arrived that 827 * we're waiting for. 828 */ 829 if (xpad->xtype == XTYPE_XBOX360W) { 830 xpad->irq_in->dev = xpad->udev; 831 error = usb_submit_urb(xpad->irq_in, GFP_KERNEL); 832 if (error) 833 goto fail4; 834 835 /* 836 * Setup the message to set the LEDs on the 837 * controller when it shows up 838 */ 839 xpad->bulk_out = usb_alloc_urb(0, GFP_KERNEL); 840 if(!xpad->bulk_out) 841 goto fail5; 842 843 xpad->bdata = kzalloc(XPAD_PKT_LEN, GFP_KERNEL); 844 if(!xpad->bdata) 845 goto fail6; 846 847 xpad->bdata[2] = 0x08; 848 switch (intf->cur_altsetting->desc.bInterfaceNumber) { 849 case 0: 850 xpad->bdata[3] = 0x42; 851 break; 852 case 2: 853 xpad->bdata[3] = 0x43; 854 break; 855 case 4: 856 xpad->bdata[3] = 0x44; 857 break; 858 case 6: 859 xpad->bdata[3] = 0x45; 860 } 861 862 ep_irq_in = &intf->cur_altsetting->endpoint[1].desc; 863 usb_fill_bulk_urb(xpad->bulk_out, udev, 864 usb_sndbulkpipe(udev, ep_irq_in->bEndpointAddress), 865 xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad); 866 } 867 868 return 0; 869 870 fail6: usb_free_urb(xpad->bulk_out); 871 fail5: usb_kill_urb(xpad->irq_in); 872 fail4: usb_free_urb(xpad->irq_in); 873 fail3: xpad_deinit_output(xpad); 874 fail2: usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma); 875 fail1: input_free_device(input_dev); 876 kfree(xpad); 877 return error; 878 879 } 880 881 static void xpad_disconnect(struct usb_interface *intf) 882 { 883 struct usb_xpad *xpad = usb_get_intfdata (intf); 884 885 usb_set_intfdata(intf, NULL); 886 if (xpad) { 887 xpad_led_disconnect(xpad); 888 input_unregister_device(xpad->dev); 889 xpad_deinit_output(xpad); 890 if (xpad->xtype == XTYPE_XBOX360W) { 891 usb_kill_urb(xpad->bulk_out); 892 usb_free_urb(xpad->bulk_out); 893 usb_kill_urb(xpad->irq_in); 894 } 895 usb_free_urb(xpad->irq_in); 896 usb_buffer_free(xpad->udev, XPAD_PKT_LEN, 897 xpad->idata, xpad->idata_dma); 898 kfree(xpad); 899 } 900 } 901 902 static struct usb_driver xpad_driver = { 903 .name = "xpad", 904 .probe = xpad_probe, 905 .disconnect = xpad_disconnect, 906 .id_table = xpad_table, 907 }; 908 909 static int __init usb_xpad_init(void) 910 { 911 int result = usb_register(&xpad_driver); 912 if (result == 0) 913 info(DRIVER_DESC); 914 return result; 915 } 916 917 static void __exit usb_xpad_exit(void) 918 { 919 usb_deregister(&xpad_driver); 920 } 921 922 module_init(usb_xpad_init); 923 module_exit(usb_xpad_exit); 924 925 MODULE_AUTHOR(DRIVER_AUTHOR); 926 MODULE_DESCRIPTION(DRIVER_DESC); 927 MODULE_LICENSE("GPL"); 928